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-rw-r--r--nixos/modules/services/security/nginx-sso.nix58
-rw-r--r--nixos/modules/services/security/sks.nix28
-rw-r--r--nixos/modules/services/security/sshguard.nix99
3 files changed, 136 insertions, 49 deletions
diff --git a/nixos/modules/services/security/nginx-sso.nix b/nixos/modules/services/security/nginx-sso.nix
new file mode 100644
index 000000000000..d792f90abe64
--- /dev/null
+++ b/nixos/modules/services/security/nginx-sso.nix
@@ -0,0 +1,58 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.nginx.sso;
+  pkg = getBin pkgs.nginx-sso;
+  configYml = pkgs.writeText "nginx-sso.yml" (builtins.toJSON cfg.configuration);
+in {
+  options.services.nginx.sso = {
+    enable = mkEnableOption "nginx-sso service";
+
+    configuration = mkOption {
+      type = types.attrsOf types.unspecified;
+      default = {};
+      example = literalExample ''
+        {
+          listen = { addr = "127.0.0.1"; port = 8080; };
+
+          providers.token.tokens = {
+            myuser = "MyToken";
+          };
+
+          acl = {
+            rule_sets = [
+              {
+                rules = [ { field = "x-application"; equals = "MyApp"; } ];
+                allow = [ "myuser" ];
+              }
+            ];
+          };
+        }
+      '';
+      description = ''
+        nginx-sso configuration
+        (<link xlink:href="https://github.com/Luzifer/nginx-sso/wiki/Main-Configuration">documentation</link>)
+        as a Nix attribute set.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.nginx-sso = {
+      description = "Nginx SSO Backend";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        ExecStart = ''
+          ${pkg}/bin/nginx-sso \
+            --config ${configYml} \
+            --frontend-dir ${pkg}/share/frontend
+        '';
+        Restart = "always";
+        DynamicUser = true;
+      };
+    };
+  };
+}
diff --git a/nixos/modules/services/security/sks.nix b/nixos/modules/services/security/sks.nix
index 9f0261038d5b..8136a5c763a9 100644
--- a/nixos/modules/services/security/sks.nix
+++ b/nixos/modules/services/security/sks.nix
@@ -5,6 +5,9 @@ with lib;
 let
   cfg = config.services.sks;
   sksPkg = cfg.package;
+  dbConfig = pkgs.writeText "DB_CONFIG" ''
+    ${cfg.extraDbConfig}
+  '';
 
 in {
   meta.maintainers = with maintainers; [ primeos calbrecht jcumming ];
@@ -39,6 +42,20 @@ in {
         '';
       };
 
+      extraDbConfig = mkOption {
+        type = types.str;
+        default = "";
+        description = ''
+          Set contents of the files "KDB/DB_CONFIG" and "PTree/DB_CONFIG" within
+          the ''${dataDir} directory. This is used to configure options for the
+          database for the sks key server.
+
+          Documentation of available options are available in the file named
+          "sampleConfig/DB_CONFIG" in the following repository:
+          https://bitbucket.org/skskeyserver/sks-keyserver/src
+        '';
+      };
+
       hkpAddress = mkOption {
         default = [ "127.0.0.1" "::1" ];
         type = types.listOf types.str;
@@ -99,6 +116,17 @@ in {
           ${lib.optionalString (cfg.webroot != null)
             "ln -sfT \"${cfg.webroot}\" web"}
           mkdir -p dump
+          # Check that both database configs are symlinks before overwriting them
+          if [ -e KDB/DB_CONFIG ] && [ ! -L KBD/DB_CONFIG ]; then
+            echo "KDB/DB_CONFIG exists but is not a symlink." >&2
+            exit 1
+          fi
+          if [ -e PTree/DB_CONFIG ] && [ ! -L PTree/DB_CONFIG ]; then
+            echo "PTree/DB_CONFIG exists but is not a symlink." >&2
+            exit 1
+          fi
+          ln -sf ${dbConfig} KDB/DB_CONFIG
+          ln -sf ${dbConfig} PTree/DB_CONFIG
           ${sksPkg}/bin/sks build dump/*.gpg -n 10 -cache 100 || true #*/
           ${sksPkg}/bin/sks cleandb || true
           ${sksPkg}/bin/sks pbuild -cache 20 -ptree_cache 70 || true
diff --git a/nixos/modules/services/security/sshguard.nix b/nixos/modules/services/security/sshguard.nix
index 137c3d610186..3892cd5c72b8 100644
--- a/nixos/modules/services/security/sshguard.nix
+++ b/nixos/modules/services/security/sshguard.nix
@@ -4,6 +4,7 @@ with lib;
 
 let
   cfg = config.services.sshguard;
+
 in {
 
   ###### interface
@@ -77,65 +78,65 @@ in {
             Systemd services sshguard should receive logs of.
           '';
       };
-
     };
-
   };
 
-
   ###### implementation
 
   config = mkIf cfg.enable {
 
-    environment.systemPackages = [ pkgs.sshguard pkgs.iptables pkgs.ipset ];
-
     environment.etc."sshguard.conf".text = let
-        list_services = ( name:  "-t ${name} ");
-      in ''
-        BACKEND="${pkgs.sshguard}/libexec/sshg-fw-ipset"
-        LOGREADER="LANG=C ${pkgs.systemd}/bin/journalctl -afb -p info -n1 ${toString (map list_services cfg.services)} -o cat"
+      args = lib.concatStringsSep " " ([
+        "-afb"
+        "-p info"
+        "-o cat"
+        "-n1"
+      ] ++ (map (name: "-t ${escapeShellArg name}") cfg.services));
+    in ''
+      BACKEND="${pkgs.sshguard}/libexec/sshg-fw-ipset"
+      LOGREADER="LANG=C ${pkgs.systemd}/bin/journalctl ${args}"
+    '';
+
+    systemd.services.sshguard = {
+      description = "SSHGuard brute-force attacks protection system";
+
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      partOf = optional config.networking.firewall.enable "firewall.service";
+
+      path = with pkgs; [ iptables ipset iproute systemd ];
+
+      postStart = ''
+        ${pkgs.ipset}/bin/ipset -quiet create -exist sshguard4 hash:ip family inet
+        ${pkgs.ipset}/bin/ipset -quiet create -exist sshguard6 hash:ip family inet6
+        ${pkgs.iptables}/bin/iptables  -I INPUT -m set --match-set sshguard4 src -j DROP
+        ${pkgs.iptables}/bin/ip6tables -I INPUT -m set --match-set sshguard6 src -j DROP
+      '';
+
+      preStop = ''
+        ${pkgs.iptables}/bin/iptables  -D INPUT -m set --match-set sshguard4 src -j DROP
+        ${pkgs.iptables}/bin/ip6tables -D INPUT -m set --match-set sshguard6 src -j DROP
       '';
 
-    systemd.services.sshguard =
-      { description = "SSHGuard brute-force attacks protection system";
-
-        wantedBy = [ "multi-user.target" ];
-        after = [ "network.target" ];
-        partOf = optional config.networking.firewall.enable "firewall.service";
-
-        path = [ pkgs.iptables pkgs.ipset pkgs.iproute pkgs.systemd ];
-
-        postStart = ''
-          mkdir -p /var/lib/sshguard
-          ${pkgs.ipset}/bin/ipset -quiet create -exist sshguard4 hash:ip family inet
-          ${pkgs.ipset}/bin/ipset -quiet create -exist sshguard6 hash:ip family inet6
-          ${pkgs.iptables}/bin/iptables -I INPUT -m set --match-set sshguard4 src -j DROP
-          ${pkgs.iptables}/bin/ip6tables -I INPUT -m set --match-set sshguard6 src -j DROP
-        '';
-
-        preStop = ''
-          ${pkgs.iptables}/bin/iptables -D INPUT -m set --match-set sshguard4 src -j DROP
-          ${pkgs.iptables}/bin/ip6tables -D INPUT -m set --match-set sshguard6 src -j DROP
-        '';
-
-        unitConfig.Documentation = "man:sshguard(8)";
-
-        serviceConfig = {
-            Type = "simple";
-            ExecStart = let
-                list_whitelist = ( name:  "-w ${name} ");
-              in ''
-                 ${pkgs.sshguard}/bin/sshguard -a ${toString cfg.attack_threshold} ${optionalString (cfg.blacklist_threshold != null) "-b ${toString cfg.blacklist_threshold}:${cfg.blacklist_file} "}-i /run/sshguard/sshguard.pid -p ${toString cfg.blocktime} -s ${toString cfg.detection_time} ${toString (map list_whitelist cfg.whitelist)}
-              '';
-            PIDFile = "/run/sshguard/sshguard.pid";
-            Restart = "always";
-
-            ReadOnlyDirectories = "/";
-            ReadWriteDirectories = "/run/sshguard /var/lib/sshguard";
-            RuntimeDirectory = "sshguard";
-            StateDirectory = "sshguard";
-            CapabilityBoundingSet = "CAP_NET_ADMIN CAP_NET_RAW";
-         };
+      unitConfig.Documentation = "man:sshguard(8)";
+
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = let
+          args = lib.concatStringsSep " " ([
+            "-a ${toString cfg.attack_threshold}"
+            "-p ${toString cfg.blocktime}"
+            "-s ${toString cfg.detection_time}"
+            (optionalString (cfg.blacklist_threshold != null) "-b ${toString cfg.blacklist_threshold}:${cfg.blacklist_file}")
+          ] ++ (map (name: "-w ${escapeShellArg name}") cfg.whitelist));
+        in "${pkgs.sshguard}/bin/sshguard ${args}";
+        Restart = "always";
+        ProtectSystem = "strict";
+        ProtectHome = "tmpfs";
+        RuntimeDirectory = "sshguard";
+        StateDirectory = "sshguard";
+        CapabilityBoundingSet = "CAP_NET_ADMIN CAP_NET_RAW";
       };
+    };
   };
 }